Hydraulic Systems

Our range of Hydraulic Actuators includes heavy duty scotch yoke, Helical Spline, Vane type and heavy duty linear cylinder. They are hydraulic ring-main supplied. For self-contained units see Electro-Hydraulic actuators.


  • Double Acting (DA)
  • Spring Return (SR)
  • Modulating (Control) including HART facility
  • Torque range – up to 1,500,000NM
  • Thrust range – up to 250KN
  • Supply – min 20 bar, max 207 bar
  • Temperatures down to -60C
  • Approvals – CE, ATEX, SIL4, GOST, InMetro, Kosha, Nepsi, CSA/UL
  • Painting – Epoxy paint to customer or project specification
  • Accessories – see Component supply
  • Automation systems – see Automation systems

Additional Services

  • Automation system design using CAD
  • Supply of complete assembled and tested automated Valves
  • Design and supply of valve to actuator adaption kits
  • Design and supply of control systems, control panels, cabinets and power units (HPU)
  • Fitting of automation assembly to free-issue Valves
  • Fitting and Testing of customer supplied components (engineering and labour only)